CVE-2009-0554

high-risk
Published 2009-04-15

Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008 allows remote attackers to execute arbitrary code via a web page that triggers presence of an object in memory that was (1) not properly initialized or (2) deleted, aka "Uninitialized Memory Corruption Vulnerability."

Do I need to act?

!
56.7% chance of exploitation in next 30 days
EPSS score — higher than 43% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Vendors

58
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 18/34 · Moderate
Exposure 10/34 · Low